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arcserve-KB : arcserve D2D Backup fails with the following error message, Failed to write to virtual disk. Internal error=[INCORRECT COMMAND]. Please check disk space of the backup destination volume, or the network connection to the remote backup destination folder.

Last Update: 2016-11-23 16:14:51 UTC

Error Message:   

ARCserve D2D Backup fails with the following error message, Failed to write to virtual disk. Internal error=[INCORRECT COMMAND]. Please check disk space of the backup destination volume, or the network connection to the remote backup destination folder.

AFStor0000.Log would show Error 112.

Symptoms:

AFStor0000.Log
[06/25 03:27:47] [    1a58] [    146c]: AllocBuffer(266)SetEndOfFile failed. Err=112
[06/25 03:27:47] [    1a58] [    146c]: AllocBuffer(266)SetEndOfFile failed. Err=112
[06/25 03:27:47] [    1a58] [    146c]: CDynamicVHD2::WriteOneBlock(3507)PreAllocBuffer() failed. Err=112
[06/25 03:27:47] [    1a58] [    146c]: CDynamicVHD2::Seek(1550): write one block failed

Error 112 means 'There is not enough space on the disk.'

Solution:  

1) Check if the backup destination has enough free space to accomodate the backup.

2) This problem is seen if a FAT32 partition is configured as the Backup Destination.

 If the File system is FAT32, please note that FAT/FAT32 cannot hold a single file larger than 4 GB. If after compression the CA ARCserve D2D file is larger than 4 GB (because the source is very large) , the backup will fail.

Use a backup destination which has NTFS as the File System. Also refer the following article which shows the different types of disks which are supported as CA ARCserve D2D backup source and destination.

More Information:
Different types of disks which are supported as CA ARCserve D2D backup source and destination.
https://arcserve.zendesk.com/hc/en-us/articles/202762055

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